In [1]:

```
T = 1000000
X = np.zeros(T)
for i in range(5):
for t in range(T-1):
X[t+1] = X[t] + np.random.pareto(1) - 12
plt.plot(X)
plt.show()
```

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In [1]:

```
T = 1000000
X = np.zeros(T)
for i in range(5):
for t in range(T-1):
X[t+1] = X[t] + np.random.pareto(1) - 12
plt.plot(X)
plt.show()
```